Section 06 Products of the chemical or allied 29 Organic chemicals 29 09 Ethers... ketone peroxides and their halogenated... derivatives 29 09 43 Monobutyl ethers of ethylene glycol or of diethylene glycol 29 09 43 00 Monobutyl ethers of ethylene glycol or of diethylene glycol Commodity Code Description 29 09 43 00 00 Monobutyl ethers of ethylene glycol or of diethylene glycol